Added plain format

It is intended mostly for testing purposes

1 files changed, 49 insertions, 0 deletions

diff --git a/activity/formats/plain.lua b/activity/formats/plain.lua
new file mode 100644
index 0000000..9e12bb6
--- /dev/null
+++ b/activity/formats/plain.lua
@@ -0,0 +1,49 @@
+local plain = {}
+
+
+function plain.start_document (_)
+	return ""
+end
+
+
+function plain.end_document ()
+	return ""
+end
+
+
+function plain.start_table ()
+	return ""
+end
+
+
+function plain.end_table ()
+	return ""
+end
+
+
+function plain.start_row ()
+	return ""
+end
+
+
+function plain.end_row ()
+	return "\n"
+end
+
+
+function plain.label (name)
+	return ("%3s "):format(name)
+end
+
+
+function plain.spot ()
+	return "_"
+end
+
+
+function plain.cell (level)
+	return ("%1d"):format(level)
+end
+
+
+return plain